Study on the Comprehensive Utilization of Tungsten-Copper Polymetallic Ore Resources
Received:January 12, 2021  Revised:January 21, 2021
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DOI:doi:10.3969/j.issn.1671-9492.2021.03.012
KeyWord:Tungsten-copper polymetallic ore; Cu-S flotation; Magnetic separation discarding tailings; Room temperature tungsten roughing; Heated tungsten cleaning
              
AuthorInstitution
YAO Yanqing Institute of Resources Comprehensive Utilization, Guangdong Academy of Sciences
HU Zhen Institute of Resources Comprehensive Utilization, Guangdong Academy of Sciences
LI Hanwen Institute of Resources Comprehensive Utilization, Guangdong Academy of Sciences
YANG Kaizhi Institute of Resources Comprehensive Utilization, Guangdong Academy of Sciences
ZOU Jianjian Institute of Resources Comprehensive Utilization, Guangdong Academy of Sciences
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Abstract:
      In view to the concentrate grade is difficult to improve due to the gangue minerals of a tungsten-copper mine are mainly pyrrhotite, silicon-bearing minerals and fluorite, a flowsheet consisting of Cu-S bulk flotation and Cu/S separation was adopted combined with some effective reagents. From the raw ore containing 0.382% Cu and 12.33 g/t Ag, a silver-bearing copper concentrate assaying 21.75% Cu at 89.39% recovery and 442.35 g/t Ag at 56.33% recovery was obtained. In addition, a flowsheet consisting of magnetic separation discarding tailings, room temperature tungsten roughing and heated tungsten cleaning was adopted combined the effective tungsten collector GY-10. From the raw ore containing 0.181% WO3, a tungsten concentrate assaying 62.04% WO3 at 71.98% recovery was obtained, which realized the comprehensive utilization of tungsten-copper polymetallic ore resources.
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